CH668424A5 - 4-benzyloxy-3-pyrrolin-2-on-l-yl-acetamid, dessen herstellung und verwendung. - Google Patents
4-benzyloxy-3-pyrrolin-2-on-l-yl-acetamid, dessen herstellung und verwendung. Download PDFInfo
- Publication number
- CH668424A5 CH668424A5 CH2567/86A CH256786A CH668424A5 CH 668424 A5 CH668424 A5 CH 668424A5 CH 2567/86 A CH2567/86 A CH 2567/86A CH 256786 A CH256786 A CH 256786A CH 668424 A5 CH668424 A5 CH 668424A5
- Authority
- CH
- Switzerland
- Prior art keywords
- pyrrolin
- benzyloxy
- acetamide
- acetic acid
- alkyl ester
- Prior art date
Links
- CPMIVIBDTJGVDA-UHFFFAOYSA-N 2-(5-oxo-3-phenylmethoxy-2h-pyrrol-1-yl)acetamide Chemical compound O=C1N(CC(=O)N)CC(OCC=2C=CC=CC=2)=C1 CPMIVIBDTJGVDA-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 16
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 33
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 18
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 claims description 17
- 235000019445 benzyl alcohol Nutrition 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 229910052763 palladium Inorganic materials 0.000 claims description 10
- 230000003197 catalytic effect Effects 0.000 claims description 9
- 239000007795 chemical reaction product Substances 0.000 claims description 9
- 229910052697 platinum Inorganic materials 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- FIPLVTFTJOOADU-UHFFFAOYSA-N 3-phenylmethoxy-1,2-dihydropyrrol-5-one Chemical compound O=C1NCC(OCC=2C=CC=CC=2)=C1 FIPLVTFTJOOADU-UHFFFAOYSA-N 0.000 claims description 8
- 238000007327 hydrogenolysis reaction Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- IHLAQQPQKRMGSS-UHFFFAOYSA-N oxiracetam Chemical compound NC(=O)CN1CC(O)CC1=O IHLAQQPQKRMGSS-UHFFFAOYSA-N 0.000 claims description 7
- 125000005907 alkyl ester group Chemical group 0.000 claims description 6
- 239000003880 polar aprotic solvent Substances 0.000 claims description 6
- JPVVDKWRORWDAQ-UHFFFAOYSA-N 2-(2,4-dioxopyrrolidin-1-yl)acetamide Chemical compound NC(=O)CN1CC(=O)CC1=O JPVVDKWRORWDAQ-UHFFFAOYSA-N 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 238000005809 transesterification reaction Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims description 4
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 4
- 239000012279 sodium borohydride Substances 0.000 claims description 4
- 150000003460 sulfonic acids Chemical class 0.000 claims description 4
- QRRXELRMPLRMHJ-UHFFFAOYSA-N benzyl 2-(5-oxo-3-phenylmethoxy-2h-pyrrol-1-yl)acetate Chemical compound C=1C=CC=CC=1COC(=O)CN(C(C=1)=O)CC=1OCC1=CC=CC=C1 QRRXELRMPLRMHJ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 150000004678 hydrides Chemical class 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 3
- 239000003586 protic polar solvent Substances 0.000 claims 2
- 230000029936 alkylation Effects 0.000 claims 1
- 238000005804 alkylation reaction Methods 0.000 claims 1
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 abstract description 4
- 239000013067 intermediate product Substances 0.000 abstract description 4
- 239000013543 active substance Substances 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 36
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 13
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 239000005457 ice water Substances 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- -1 alkyl bromoacetate Chemical compound 0.000 description 5
- 229940098779 methanesulfonic acid Drugs 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- IBXIXJBIPQUUCU-UHFFFAOYSA-N 2-(5-oxo-3-phenylmethoxy-2h-pyrrol-1-yl)acetic acid Chemical compound O=C1N(CC(=O)O)CC(OCC=2C=CC=CC=2)=C1 IBXIXJBIPQUUCU-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 4
- 239000012043 crude product Substances 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000004128 high performance liquid chromatography Methods 0.000 description 3
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 3
- 229910003446 platinum oxide Inorganic materials 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- TXKQBYYDTLOLHA-UHFFFAOYSA-N 3-methoxy-1,2-dihydropyrrol-5-one Chemical compound COC1=CC(=O)NC1 TXKQBYYDTLOLHA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 2
- GMZVRMREEHBGGF-UHFFFAOYSA-N Piracetam Chemical compound NC(=O)CN1CCCC1=O GMZVRMREEHBGGF-UHFFFAOYSA-N 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 238000006264 debenzylation reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- PQJJJMRNHATNKG-UHFFFAOYSA-N ethyl bromoacetate Chemical compound CCOC(=O)CBr PQJJJMRNHATNKG-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 229910000104 sodium hydride Inorganic materials 0.000 description 2
- 239000012312 sodium hydride Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- SBWANXJRRXEMQF-UHFFFAOYSA-N 1-phenylmethoxy-2H-pyrrol-5-one Chemical compound C(C1=CC=CC=C1)ON1C(C=CC1)=O SBWANXJRRXEMQF-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- IOGISYQVOGVIEU-UHFFFAOYSA-N 4-hydroxypyrrolidin-2-one Chemical compound OC1CNC(=O)C1 IOGISYQVOGVIEU-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- BTIZCQKAKIQNHO-UHFFFAOYSA-N CC(=O)OC(C1=CC=CC=C1)N2CC(=CC2=O)OCC3=CC=CC=C3 Chemical compound CC(=O)OC(C1=CC=CC=C1)N2CC(=CC2=O)OCC3=CC=CC=C3 BTIZCQKAKIQNHO-UHFFFAOYSA-N 0.000 description 1
- 101150041968 CDC13 gene Proteins 0.000 description 1
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910000102 alkali metal hydride Inorganic materials 0.000 description 1
- 150000008046 alkali metal hydrides Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical compound CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 229960001227 oxiracetam Drugs 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- UTZNELIJGYWMKS-UHFFFAOYSA-N phenylmethanol;hydrate Chemical compound O.OCC1=CC=CC=C1 UTZNELIJGYWMKS-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
- C07D207/34—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/36—Oxygen or sulfur atoms
- C07D207/38—2-Pyrrolones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrrole Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Peptides Or Proteins (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (20)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2567/86A CH668424A5 (de) | 1986-06-26 | 1986-06-26 | 4-benzyloxy-3-pyrrolin-2-on-l-yl-acetamid, dessen herstellung und verwendung. |
| US07/060,262 US4849528A (en) | 1986-06-26 | 1987-06-10 | 4-benzyloxy-3-pyrrolin-2-on-1-yl acetamide |
| CA000540292A CA1280426C (en) | 1986-06-26 | 1987-06-19 | 4-benzyloxy-3-pyrrolin-2-on-1-yl acetamide, its production and use |
| IL82937A IL82937A (en) | 1986-06-26 | 1987-06-21 | 4-benzoyloxy-3-pyrrolin-2-on-1-yl acetamide,process for the preparation thereof and the use thereof |
| ES87108902T ES2017677B3 (es) | 1986-06-26 | 1987-06-22 | 4-benciloxi-3-pirrolin-2-ona-1-il-acetamida, obtencion y aplicaciones. |
| DE8787108902T DE3764559D1 (de) | 1986-06-26 | 1987-06-22 | 4-benzyloxy-3-pyrrolin-2-on-1-yl-acetamid, dessen herstellung und verwendung. |
| AT87108902T ATE55985T1 (de) | 1986-06-26 | 1987-06-22 | 4-benzyloxy-3-pyrrolin-2-on-1-yl-acetamid, dessen herstellung und verwendung. |
| JP62155254A JPS638368A (ja) | 1986-06-26 | 1987-06-22 | ４−ベンジロキシ−３−ピロリン−２−オン−１−イルアセトアミド、その製造方法および使用方法 |
| EP87108902A EP0252353B1 (de) | 1986-06-26 | 1987-06-22 | 4-Benzyloxy-3-pyrrolin-2-on-1-yl-acetamid, dessen Herstellung und Verwendung |
| CS874705A CS271472B2 (en) | 1986-06-26 | 1987-06-24 | Method of 4-hydroxypyrrolidine-2-on-1-ylacetamide production |
| DK325387A DK325387A (da) | 1986-06-26 | 1987-06-25 | 4-benzyloxy-3-pyrrolin-2-on-1-yl-acetamid samt dets fremstilling og anvendelse |
| SU874202777A SU1581220A3 (ru) | 1986-06-26 | 1987-06-25 | Способ получени 4-оксипирролидин-2-он-1-ил-ацетамида |
| NO872671A NO872671L (no) | 1986-06-26 | 1987-06-25 | 4-benzyloksy-3-pyrrolin-2-on-1-yl-acetamid, fremstilling og anvendelse derav. |
| HU872885A HUT44492A (en) | 1986-06-26 | 1987-06-25 | Process for production of 4-/benzil-oxi/-3-pirrolin-2-on-1-il-acetamid |
| SU874203180A SU1556537A3 (ru) | 1986-06-26 | 1987-08-26 | Способ получени 4-бензилокси-3-пирролин-2-он-1-ил-ацетамида |
| US07/181,646 US4843166A (en) | 1986-06-26 | 1988-04-14 | 4-benzyloxy-3-pyrrolin-2-on-1-yl acetamide production |
| US07/181,435 US4868314A (en) | 1986-06-26 | 1988-04-14 | 4-benzyloxy-3-pyrrolin-2-on-1-yl acetamide production |
| US07/181,710 US4879393A (en) | 1986-06-26 | 1988-04-14 | 4-Benzyloxy-3-pyrrolin-2-on-1-yl acetamide production |
| CS891053A CS271493B2 (en) | 1986-06-26 | 1989-02-17 | Method of 4-benzyloxy-3-pyrroline-2-on-1-yl-acetamide production |
| US07/336,070 US4877884A (en) | 1986-06-26 | 1989-04-11 | 4-benzyloxy-3-pyrrolin-2-on-1-yl acetamide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2567/86A CH668424A5 (de) | 1986-06-26 | 1986-06-26 | 4-benzyloxy-3-pyrrolin-2-on-l-yl-acetamid, dessen herstellung und verwendung. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH668424A5 true CH668424A5 (de) | 1988-12-30 |
Family
ID=4236706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH2567/86A CH668424A5 (de) | 1986-06-26 | 1986-06-26 | 4-benzyloxy-3-pyrrolin-2-on-l-yl-acetamid, dessen herstellung und verwendung. |
Country Status (14)
| Country | Link |
|---|---|
| US (5) | US4849528A (ru) |
| EP (1) | EP0252353B1 (ru) |
| JP (1) | JPS638368A (ru) |
| AT (1) | ATE55985T1 (ru) |
| CA (1) | CA1280426C (ru) |
| CH (1) | CH668424A5 (ru) |
| CS (1) | CS271472B2 (ru) |
| DE (1) | DE3764559D1 (ru) |
| DK (1) | DK325387A (ru) |
| ES (1) | ES2017677B3 (ru) |
| HU (1) | HUT44492A (ru) |
| IL (1) | IL82937A (ru) |
| NO (1) | NO872671L (ru) |
| SU (2) | SU1581220A3 (ru) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5274097A (en) * | 1988-04-19 | 1993-12-28 | Bayer Aktiengesellschaft | 1,3-disubstituted pyrrolidines |
| DE3835291A1 (de) * | 1988-04-19 | 1989-11-02 | Bayer Ag | 1,3-disubstituierte pyrrolidine |
| ATE124396T1 (de) * | 1988-09-06 | 1995-07-15 | Lonza Ag | Verfahren zur herstellung von 5- alkyltetramsäuren. |
| CH680293A5 (ru) * | 1990-06-26 | 1992-07-31 | Lonza Ag | |
| JP2001072592A (ja) | 1999-07-01 | 2001-03-21 | Kyowa Hakko Kogyo Co Ltd | テロメラーゼ阻害剤 |
| MX2008013477A (es) * | 2006-04-28 | 2008-10-29 | Esteve Labor Dr | Compuestos biciclicos de tetrahidropirrol. |
| CN102432516B (zh) * | 2011-12-14 | 2013-10-09 | 山东阿如拉药物研究开发有限公司 | 奥拉西坦的精制方法 |
| CN104276992B (zh) * | 2014-09-17 | 2017-02-15 | 浙江工业大学 | 一种奥拉西坦关键中间体2‑(2,4‑二氧代吡咯烷‑1‑基)‑乙酰胺的合成工艺 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2784191A (en) * | 1957-03-05 | Process for the production of lactams | ||
| US2535010A (en) * | 1948-10-02 | 1950-12-19 | Rohm & Haas | Transetherification of beta-ethersubstituted esters |
| DE850007C (de) * | 1950-12-22 | 1952-09-22 | Basf Ag | Verfahren zur Herstellung von N-Aryl-ª‡-pyrrolidonen |
| US3299095A (en) * | 1964-04-16 | 1967-01-17 | Merck & Co Inc | 1-benzyl tetramic acid derivatives |
| JPS4941521A (ru) * | 1972-06-02 | 1974-04-18 | ||
| IT1045043B (it) * | 1975-08-13 | 1980-04-21 | Isf Spa | Derivati pirrolidinici |
| IT1075280B (it) * | 1977-02-11 | 1985-04-22 | Isf Spa | Procedimento per la preparazione di derivati pirrolidinici |
| IT1075564B (it) * | 1977-02-11 | 1985-04-22 | Isf Spa | Procedimento per la preparazione di derivati pirrolidinici |
| JPS5812272B2 (ja) * | 1981-04-28 | 1983-03-07 | 電気化学工業株式会社 | ４−ヒドロキシ−２−ピロリドンの製造法 |
| FI83510C (fi) * | 1985-02-22 | 1991-07-25 | Ciba Geigy Ag | Foerfarande foer framstaellning av nya, terapeutiskt anvaendbara bi-2h- pyrroli(di)ndioner. |
-
1986
- 1986-06-26 CH CH2567/86A patent/CH668424A5/de not_active IP Right Cessation
-
1987
- 1987-06-10 US US07/060,262 patent/US4849528A/en not_active Expired - Fee Related
- 1987-06-19 CA CA000540292A patent/CA1280426C/en not_active Expired - Fee Related
- 1987-06-21 IL IL82937A patent/IL82937A/xx unknown
- 1987-06-22 ES ES87108902T patent/ES2017677B3/es not_active Expired - Lifetime
- 1987-06-22 AT AT87108902T patent/ATE55985T1/de not_active IP Right Cessation
- 1987-06-22 EP EP87108902A patent/EP0252353B1/de not_active Expired - Lifetime
- 1987-06-22 JP JP62155254A patent/JPS638368A/ja active Pending
- 1987-06-22 DE DE8787108902T patent/DE3764559D1/de not_active Expired - Fee Related
- 1987-06-24 CS CS874705A patent/CS271472B2/cs unknown
- 1987-06-25 NO NO872671A patent/NO872671L/no unknown
- 1987-06-25 DK DK325387A patent/DK325387A/da not_active Application Discontinuation
- 1987-06-25 HU HU872885A patent/HUT44492A/hu unknown
- 1987-06-25 SU SU874202777A patent/SU1581220A3/ru active
- 1987-08-26 SU SU874203180A patent/SU1556537A3/ru active
-
1988
- 1988-04-14 US US07/181,435 patent/US4868314A/en not_active Expired - Fee Related
- 1988-04-14 US US07/181,646 patent/US4843166A/en not_active Expired - Fee Related
- 1988-04-14 US US07/181,710 patent/US4879393A/en not_active Expired - Fee Related
-
1989
- 1989-04-11 US US07/336,070 patent/US4877884A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| SU1581220A3 (ru) | 1990-07-23 |
| US4879393A (en) | 1989-11-07 |
| IL82937A (en) | 1991-03-10 |
| SU1556537A3 (ru) | 1990-04-07 |
| US4868314A (en) | 1989-09-19 |
| NO872671D0 (no) | 1987-06-25 |
| US4843166A (en) | 1989-06-27 |
| EP0252353A1 (de) | 1988-01-13 |
| EP0252353B1 (de) | 1990-08-29 |
| ES2017677B3 (es) | 1991-03-01 |
| IL82937A0 (en) | 1987-12-20 |
| DE3764559D1 (de) | 1990-10-04 |
| US4877884A (en) | 1989-10-31 |
| US4849528A (en) | 1989-07-18 |
| CS470587A2 (en) | 1990-02-12 |
| JPS638368A (ja) | 1988-01-14 |
| ATE55985T1 (de) | 1990-09-15 |
| NO872671L (no) | 1987-12-28 |
| CA1280426C (en) | 1991-02-19 |
| CS271472B2 (en) | 1990-10-12 |
| DK325387D0 (da) | 1987-06-25 |
| HUT44492A (en) | 1988-03-28 |
| DK325387A (da) | 1987-12-27 |
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| PL | Patent ceased | ||
| PL | Patent ceased |